Fixes whitespace in docs/effbot.css

Replaces carriage return line feeds with standard line feeds. (No other changes)

```
warning: CRLF will be replaced by LF in docs/effbot.css.
warning: CRLF will be replaced by LF in docs/effbot.css.
[newlines ef19ec8] Fixes whitespace in docs/effbot.css
warning: CRLF will be replaced by LF in docs/effbot.css.
 1 files changed, 118 insertions(+), 118 deletions(-)
```